Methods Amputating the upper part of tibia and the middle-lower part of fibula assisted by tibia G-K nail and the extra-fixation outside the bone serve to extend the length of0.66-1mm everyday.

• 方法胫骨上端或下端截骨和骨外固定延长器固定；每天延长0.；66-1毫米。有开放伤口的；每天用碘伏换药。停止延长后10-14周去处外固定架石膏固定1个月。无感染或污染的伤口第一次手术时预先安放交锁髓内钉；停止延长1个月后上远端锁钉同时去处外固定。